/**
 * Copyright 2011 FeedDreamwork SIG
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package org.feeddreamwork.processors;

import org.feeddreamwork.*;
import org.feeddreamwork.feed.*;

public class ReplaceProcessor extends FeedContentProcessor {
	private String find;
	private String replacement;
	private boolean firstOnly;

	public ReplaceProcessor(String obj, String find, String replacement, boolean firstOnly) {
		super(obj);
		Utils.throwIfNullOrEmpty(find);
		Utils.throwIfNull(replacement);
		this.find = find;
		this.replacement = replacement;
		this.firstOnly = firstOnly;
	}

	@Override
	protected String processContent(Entry entry, String source) {
		if (firstOnly)
			return source.replaceFirst(find, replacement);
		else
			return source.replaceAll(find, replacement);
	}
}
